251252334 has 32 divisors (see below), whose sum is σ = 576353280. Its totient is φ = 81048600.

The previous prime is 251252327. The next prime is 251252341. The reversal of 251252334 is 433252152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (251252327) and next prime (251252341).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 251252298 and 251252307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73372 + ... + 76719.

It is an arithmetic number, because the mean of its divisors is an integer number (18011040).

Almost surely, 2^251252334 is an apocalyptic number.

251252334 is an abundant number, since it is smaller than the sum of its proper divisors (325100946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251252334 is a wasteful number, since it uses less digits than its factorization.

251252334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150133 (or 150127 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 251252334 is about 15850.9411077071. The cubic root of 251252334 is about 631.0106680334.

The spelling of 251252334 in words is "two hundred fifty-one million, two hundred fifty-two thousand, three hundred thirty-four".